# devwalls security > devwalls security helps organisations find weaknesses in their systems, fix them, and prove they stay fixed. Based in Abuja, Nigeria, working remotely worldwide. ## Overview DevWalls Security is a specialized cybersecurity testing, defense, digital investigations, and advisory firm founded by Divine Chukwu (NITMA Award recipient for software innovation). DevWalls focuses on realistic attack simulation, verified findings, plain-English executive reporting, and developer-level remediation support. ## Core Services - [Penetration Testing](https://www.devwalls.com.ng/services/penetration-testing/): Scoped ethical hacking targeting web applications, mobile apps, APIs, networks, and payment infrastructure. Includes reproduction steps and a free retest within 90 days. - [Red Teaming](https://www.devwalls.com.ng/services/red-teaming/): Objective-led full adversary simulation testing whether detection tools and security operations centers (SOC) notice and respond. - [Cloud Security Review](https://www.devwalls.com.ng/services/cloud-security/): Deep technical review of AWS, Microsoft Azure, and Google Cloud Platform (GCP) configurations, IAM permissions, and blast radius. - [Application Security](https://www.devwalls.com.ng/services/application-security/): Threat modeling, architectural design reviews, secure code reviews, and monthly embedded security engineering. - [Digital Investigations & Forensics](https://www.devwalls.com.ng/services/digital-investigations/): Mobile phone and computer digital forensics, business email compromise (BEC), cryptocurrency tracing, internal corporate fraud, and lawful OSINT due diligence. - [Cybersecurity Training](https://www.devwalls.com.ng/training/): Hands-on offensive security cohorts taught by practising professionals for individuals and enterprise teams. ## Guiding Commitments - Retest Included: Every fix recommended by DevWalls is retested within 90 days at no extra cost. - Verified Findings Only: No automated scanner dumps. Findings are only included if our testers successfully demonstrated exploitability in your environment. - Two-Tier Reporting: Technical reproduction steps for developers and a concise one-page plain-language summary for executive leadership and boards. - Compliance & Audit Alignment: Findings mapped to ISO/IEC 27001, PCI DSS, SOC 2, NIST CSF, and Nigeria Data Protection Act (NDPA) 2023. ## Leadership - Founder & Chief Security Architect: Divine Chukwu, cybersecurity engineer, software developer, and NITMA Award recipient. ## Contact & Direct Inquiries - Official Website: https://www.devwalls.com.ng - WhatsApp / Phone: +234 905 635 7881 (https://wa.me/2349056357881) - Email: hello@devwalls.com.ng - Headquarters: Abuja, Nigeria (providing remote delivery worldwide) ## Key Links - Services: https://www.devwalls.com.ng/services/ - Investigations: https://www.devwalls.com.ng/services/digital-investigations/ - Training: https://www.devwalls.com.ng/training/ - Methodology: https://www.devwalls.com.ng/approach/ - About: https://www.devwalls.com.ng/about/ - Contact: https://www.devwalls.com.ng/contact/ - Full LLM Knowledge Base: https://www.devwalls.com.ng/llms-full.txt